A coil takes 15 minutes to boil certain amount of water, another coil takes 20 minutes…
Physics · JEE Main · NTA Exams — Current Electricity
A coil takes 15 minutes to boil certain amount of water, another coil takes 20 minutes for the same process .Time taken to boil the same amount of water when both the coils are connected in series across same source is
- 5 min
- 8.6 min
- 35 min
- 12 min
Answer
(C) 35 min
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A thermocouple is made from two metals Antimony and Bismuth. If one junction of the couple is kept hot and…
- The length of conductor is doubled and its radius is halved, its specific resistance is
- The figure shows a network of currents. The magnitude of currents is shown here. The current I will be
- A cylinderical wire is stretched so that its length increases by 100%. Assuming density of wire to be…
- Which of the following material has negative temperature coefficient of resistance.
- The length of a potentiometer wire is 5 metres. An electron in this wire experiences a force of 4.8 × 10 –19…
- Heat produced (in cal) in a resistance R when a current I amperes flows through it for t seconds is given by…
- Total current supplied to the circuit by the battery is
More Current Electricity questions · Browse all practice questions